DTC P2504:00: Notes

DTC P2504:00	Charging system voltage high
DETECTION CONDITION	The PCM determines that the generator output voltage is above 18.5 V or battery voltage is above 16 V for 5 s while the engine running. Diagnostic support note This is a continuous monitor (other). The MIL does not illuminate. FREEZE FRAME DATA (Mode2)/Snapshot data is not available. The DTC is stored in the PCM memory.
POSSIBLE CAUSE	Generator connector or terminal malfunction PCM connector or terminal malfunction Short to power supply in wiring harness between generator terminal D and PCM terminal 2AA Generator malfunction PCM malfunction